CRYSTAL PONCEAU 6R
Synonym(s):Acid Red 44;Brilliant Crystal Scarlet;Crystal Scarlet;Ponceau 6R
- CAS NO.：2766-77-0
- Empirical Formula: C20H12N2Na2O7S2
- Molecular Weight: 502.43
- MDL number: MFCD00013279
- EINECS: 220-441-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
What is CRYSTAL PONCEAU 6R?
The Uses of CRYSTAL PONCEAU 6R
Crystal Ponceau 6R can be used as analyte in analytical study for determination of 36 artificial pigments in foods by ultra high performance liquid chromatography and time-of-fight mass spectrometry. Dyes and metabolites, Environmental Testing
What are the applications of Application
Crystal Ponceau 6R is a dye used in histology for staining fibrin
Definition
ChEBI: An organic sodium salt that is the disodium salt of 7-hydroxy-8-[(naphthalen-1-yl)diazenyl]naphthalene-1,3-disulfonic acid.
Preparation
Naphthalen-1-amine diazo, and 7-Hydroxynaphthalene-1,3-disulfonic acid coupling.
Properties and Applications
red. Soluble in water for red, soluble in ethanol for yellow light red, almost insoluble in acetone. The strong sulfuric acid for red light blue, diluted for scarlet. In water solution to join hydrochloric acid colour and lustre is darker, and extra a flake crystallization precipitation part; Add thick sodium hydroxide solution for yellow brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 3 | 2-3 | 3 | 2 | 2 | 2-3 | ||
Properties of CRYSTAL PONCEAU 6R
| Melting point: | >300 °C(lit.) |
| storage temp. | Amber Vial, Refrigerator, Under inert atmosphere |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| form | Powder |
| Colour Index | 16250 |
| color | Red |
| Stability: | Light Sensitive |
Safety information for CRYSTAL PONCEAU 6R
Computed Descriptors for CRYSTAL PONCEAU 6R
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